How to say "engineering" in Japanese

• 技術ぎじゅつJLPT N4approx.Common
  nounCovers technology and practical technique, and can render 'engineering' in broad, everyday contexts. When you mean technical skill or know-how rather than the academic field, this is usually the word you reach for.
• 工学こうがくJLPT N1approx.Common
  nounThe standard word for 'engineering' as an academic discipline or field of study, like mechanical or electrical engineering. Use it when talking about studying engineering or the science itself.
  戦後せんご日本にっぽんは科学かがくと工学こうがくに大おおいに進歩しんぽした。↗

  Since the war, Japan has advanced greatly in science and technology.
• 工務こうむCommon
  nounReally refers to engineering works or construction and works management rather than engineering in general. This is seldom the word you want for the ordinary senses of 'engineering'; think of construction office or works duties.
• エンジニアリングCommon
  nounThe direct loanword for 'engineering', useful when referring to engineering as a professional activity or process, especially in technical or business contexts where an English-flavored term is natural.
  エンジニアリングの仕事しごとは日本にっぽんの会社かいしゃが担当たんとうすることになっています。↗

  Engineering service will be taken up by the Japanese company.

Use 工学 for engineering as an academic discipline, 技術 for technology or technique broadly, and 「エンジニアリング」 as the direct loanword; 工務 mainly refers to engineering works and construction management, not the general sense.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 技術ぎじゅつtechnology
• 工学こうがくengineering
• 工務こうむengineering
• エンジニアリングengineering